Cheapest Transactional Email software
8 products with sourced pricing and capability data, 7 with a free plan. Entry paid plans median $15/mo; the cheapest product covering the 6 most common capabilities here is MailerSend from $7/mo. Pick the one you pay for today to find a cheaper replacement.
Read the guide: Cheapest SendGrid alternatives at 1,000 emails/month →
8 tracked7 with a free plan
Same job. Way less money.
Must have:
Amazon SES
$105/mo · Pro · free plan available
Free alternative foundFree planEmail apiVerified 2026-09-07
Resend
$20/mo · Pro · free plan available
Free alternative foundFree planEmail apiVerified 2026-08-31
Twilio SendGrid
$19.95/mo · Essentials
Free alternative foundEmail apiVerified 2026-09-07
Mailgun
$15/mo · Basic · free plan available
Free alternative foundFree planEmail apiVerified 2026-09-07
Postmark
$15/mo · Basic · free plan available
Free alternative foundFree planEmail apiVerified 2026-09-07
SMTP2GO
$10/mo · Starter · free plan available
Free alternative foundFree planEmail apiVerified 2026-08-31
MailerSend
$7/mo · Hobby · free plan available
Free alternative foundFree planEmail apiVerified 2026-08-31
Loops
Free
Free planAlso fits hereVerified 2026-08-31
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